Qingjiao rousi (pepper and pork stir-fry) Period BOrigin theory CVerified

When and where it took shape

Qingjiao rousi is green pepper (qingjiao) and pork, both cut into thin slivers and stir-fried fast over a hard wok flame. It spread as an everyday home and canteen dish, and today it is one of the standards of Chinese cooking.

The star of the plate is the sweet bell pepper, which carries no heat. It belongs to the pepper family but is a different line from the fiery chile (lajiao): a mild, gentle-fleshed cultivated variety known as tianjiao or caijiao. Its home is Central and South America, and the fruit that Europeans carried eastward reached China in the second half of the sixteenth century; by 1591 it appears in the writings of Gao Lian. Some hold that the large sweet peppers were only grown in earnest from the nineteenth century onward, but either way, a stir-fry built around the green pepper could take form only once the fruit had settled onto Chinese tables.

The other deciding element is the wok technique of chao: setting the pan over a fierce flame and tossing the slivered ingredients through it in moments. This high, brief heat gives the dish its crisp bite and its toasted fragrance. The bright green of the pepper and the savor of the pork bound together in that fierce heat, and the shape of today's qingjiao rousi was set. By the late Qing it had reached the everyday tables of the court and the wealthy; the food essayist Tang Lusun recorded that a stir-fried qingjiao rousi was set as a test dish when households hired a cook, a way to judge command of the high wok flame.

Which region qingjiao rousi belongs to is, in truth, unsettled.

It is often taken for a Sichuan dish, yet the mainstream form today is closer to the Cantonese style, leaning on savory depth over heat with oyster sauce and the like. Beyond that, some trace it to a Fujian dish of slivered stir-fried pork. The Fujian-origin claim is often repeated in Japanese-language sources, but no contemporary primary record stands behind it. The regional attribution sits this way, several accounts side by side, none of them settled.

The era of its making, by contrast, is clearly drawn. The green pepper is a fruit of Central and South America, and it came to China in the later sixteenth century, showing up in writing by 1591. Brian R. Dott's study, The Chile Pepper in China, follows in careful detail how peppers took root in Chinese food culture. And by the first half of the twentieth century, a stir-fried qingjiao rousi had become a test dish for judging a cook's hand: the scene Tang Lusun set down tells us this dish was a settled everyday staple by the modern era at the latest.

The regional lineage remains a matter of several accounts, yet the era of its making is lit clearly enough. A modern story turning on a single fruit carried over from the Americas: that is the parentage of the plate called qingjiao rousi.